High -efficient fracturing technology tubular column of horizontal well

• Main Authors: HAN JINGJING, SUN HU, GAO YINSUO, LONG SHIMING, DENG JIXUE, JING ZHIMING, JIAO ZHENGHUI, CAO XIN
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2016
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model provides a high -efficient fracturing technology tubular column of horizontal well, its tubular column connect and include in proper order from supreme down: direction eye pipe, ball seat no. 2, TDY seal and separate, lead and press sand jet, ball seat no. 1, many bunches of high -efficient spray guns no. 3, tubing nipple, second level shunt, many bunches of high -efficient spray guns no. 2, tubing nipple no. 1, first order reposition of redundant personnel and many bunches of high -efficient spray guns no. 1, many bunches of high -efficient spray guns no. 1 are connected to the well head with oil pipe. The utility model discloses a high -efficient spray gun is exclusively used in the sandblast perforation, does not participate in fracturing, the sand jet stratum of impressing is pressed through leading to a large amount of grits on stratum of impressing among the fracturing, plays and penetrates hole flow, sand liquid measure when, the effect that improves spray gun life through reducing th